Results 121 to 130 of about 493,048 (304)

Frequent Problems of Model Specification and Forecasting of Time Series in Goods Management Systems [PDF]

open access: yes, 1999
The forecasting of time series in goods management systems causes various problems that we identify and indicate possible solutions. The implementation of auxiliary information like promotional activities or calendar effects in forecasts using ARMA ...
Arminger, Gerhard, Schneider, Carsten
core  

Increase in Pancreatoduodenectomy Volume at Mid‐Volume Facilities in the United States: A National Cancer Database Analysis

open access: yesAnnals of Gastroenterological Surgery, EarlyView.
ABSTRACT Background The annual number of pancreatoduodenectomies (PDs) in the United States has increased over the past decade, but the facility types driving this growth and whether outcomes have improved remain unclear. We aimed to identify characteristics of facilities with increasing PD volumes and assess national trends in centralization ...
Koichi Tomita, Naruhiko Ikoma
wiley   +1 more source

The role of weather conditions on running performance in the Boston Marathon from 1972 to 2018.

open access: yesPLoS ONE, 2019
This study examined the relationship of weather conditions, together with sex and country of origin, with running performance in the Boston Marathon from 1972 to 2018.
Beat Knechtle   +5 more
doaj   +1 more source

Calendar Effects In The Indian Stock Market

open access: yesInternational Business & Economics Research Journal (IBER), 2011
We find two distinct calendar effects in returns for the Indian stock market. More specifically, we find a November-December effect in which we document that mean returns for November and December are significantly greater than those of the other ten months.
openaire   +2 more sources

Information Dense and Industry Scalable Accelerated Formation

open access: yesAdvanced Intelligent Discovery, EarlyView.
Pulsed formation can reduce lithium‐ion battery formation time by over 50% while maintaining or enhancing performance. Validated on 25 Ah prismatic cells, this industry‐scalable method yields thinner, more homogeneous solid electrolyte interphases (SEIs).
Leon Merker   +3 more
wiley   +1 more source

Financial Markets, Judicial Costs and Housing Tenure: An International Comparison [PDF]

open access: yes
This paper explores the determinants of international patterns of housing tenure choice. Up to now, no study has carried out an international comparison in housing tenure using household level data.
Chiuri, Maria Concetta, Jappelli, Tullio
core  

Examining pathways by which socioeconomic instability in adolescence influence sexual health during emerging adulthood in an agricultural setting in California

open access: yesAmerican Journal of Community Psychology, EarlyView.
Abstract This study investigates the longitudinal impact of socioeconomic instability on teen pregnancy and sexually transmitted infection (STI) diagnosis among adolescents and young adults (AYA) living in an agricultural region and examines pathways including supportive family and social structures, decision making autonomy in romantic relationships ...
Marie C. D. Stoner   +11 more
wiley   +1 more source

Time Series Properties of the German Monthly Production Index [PDF]

open access: yes
The production index is an important indicator for assessing the cyclical state of the economy. Unfortunately, the monthly time series is contaminated by many noisy components like seasonal variations, calendar and vacation effects.
Gebhard Flaig
core  

Backward recalculation of seasonal series affected by economic crisis: a Model-Based-Link method for the case of Turkish GDP [PDF]

open access: yes, 2010
When attempting to deal with the recalculation process, it is hard to answer the question “Does the recalculated series include economic events and seasonal behaviours in the past?”.
Alpay, Kocak, Buono, Dario
core   +1 more source

Calendar Effects [PDF]

open access: yesScience, 2011
openaire   +1 more source

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